22496087 has 2 divisors, whose sum is σ = 22496088. Its totient is φ = 22496086.

The previous prime is 22496077. The next prime is 22496161. The reversal of 22496087 is 78069422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22496087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22496087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22496077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11248043 + 11248044.

It is an arithmetic number, because the mean of its divisors is an integer number (11248044).

Almost surely, 2^22496087 is an apocalyptic number.

22496087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22496087 is an equidigital number, since it uses as much as digits as its factorization.

22496087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 22496087 is about 4743.0040059017. The cubic root of 22496087 is about 282.2944420534.

Subtracting from 22496087 its sum of digits (38), we obtain a square (22496049 = 4743²).

The spelling of 22496087 in words is "twenty-two million, four hundred ninety-six thousand, eighty-seven".